Osmosis
Diffusion
Name that Solution
This or That
Test peak
100
Osmosis is the movement of ________
What is water
100
Diffusion is the movement of __________from a _________ concentration to a ___________ concentration.
What is molecules, high, and low
100
What are solutes? Give an example.
What is a substance that can be dissolved in water.
Example: Sugar or salt
100
Osmosis or Diffusion?
Water moving across the cell membrane
What is osmosis
100
A root cell may continue to absorb minerals even though the concentration of the minerals is greater inside the cell than in the soil. How does the cell accomplish this absorption?
What is through active transport
200
True or False
Water moves from a high concentration to a low concentration.
What is true
200
True or False
Small molecules can diffuse across the cell membrane without help.
What is True
200
If a cell is placed in this type of solution, it will shrivel
What is hypertonic
200
Osmosis or Diffusion
The smell of perfume spreading throughout a room
What is diffusion
200
What is Active Transport
300
Osmosis is a type of____________transport
What is Passive
300
This type of diffusion uses protein channels to get large molecules across the cell membrane.
What is facilitated diffusion
300
If a cell is placed in this type of solution, it will swell.
What is hypotonic
300
Hypertonic or Hypotonic
A cell is placed in a solution that is 75% salt and 25% water.
What is hypertonic
300
Why does active transport require energy to move molecules of a substance across a cell membrane?
What is because it moves from a low concentration to high
(Against the concentration gradient)
400
Does osmosis require energy to take place?
What is NO
400
True or false
Oxygen requires a protein channel to get across the cell membrane.
False
400
If a cell is placed in this type of solution, it will remain the same.
Isotonic
400
Hypertonic or Hypotonic
Placing a cell in tap water
What is hypotonic
400
Maggie places cells of Elodea, a freshwater plant, on a wet-mount microscope slide. She uses a saltwater solution to prepare the slide. When she observes the cells under the microscope, what is she most likely to see?
What is the cell will shrink
500
You can also look at water as moving to a ____________ concentration of solute molecules.
What is high
500
What are the three types of passive transport?
What is osmosis, facilitated diffusion, and diffusion.
500
You add sugar to water. Which is the solvent and what is the solute?
What is water is the solvent and sugar is the solute.
500
Diffusion or Facilitated Diffusion
A large glucose molecule uses a protein channel to enter a cell.
What is facilitated diffusion
500
Mark places some cells from an onion skin on a microscope slide. He uses a freshwater solution to make the wet-mount slide. When he observes the cells under the microscope for an extended period of time, what is he most likely to see?
What is swollen cells